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12828957 = 34679157
BaseRepresentation
bin110000111100…
…000100011101
3220010210000120
4300330010131
511241011312
61134545153
7214021131
oct60740435
926123016
1012828957
117272649
1243681b9
1328723cb
1419bd3c1
1511d628c
hexc3c11d

12828957 has 8 divisors (see below), whose sum is σ = 17143776. Its totient is φ = 8533392.

The previous prime is 12828943. The next prime is 12828983. The reversal of 12828957 is 75982821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12828957 - 211 = 12826909 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12828997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3178 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (2142972).

Almost surely, 212828957 is an apocalyptic number.

It is an amenable number.

12828957 is a deficient number, since it is larger than the sum of its proper divisors (4314819).

12828957 is an equidigital number, since it uses as much as digits as its factorization.

12828957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9627.

The product of its digits is 80640, while the sum is 42.

The square root of 12828957 is about 3581.7533415912. The cubic root of 12828957 is about 234.0976836664.

The spelling of 12828957 in words is "twelve million, eight hundred twenty-eight thousand, nine hundred fifty-seven".

Divisors: 1 3 467 1401 9157 27471 4276319 12828957